C. Ratledge and J. Stanford (Editors), The Biology of Mycobacteria — Volume 2: Immunological and Environmental Aspects. X + 554 S., 68 Abb., 40 Tab. London‐New York‐Paris‐San Diego‐San Francisco‐Sao Paulo‐Sydney‐Tokyo‐Toronto 1983. Academic Press. $ 99.00. ISBN 0–12–582302–9